/Engine/Source/Developer/ToolWidgets/Public/Filters/SBasicFilterBar.h
'Activate' A filter by adding it to the filter bar, does not turn it on
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SFilter](API\Developer\ToolWidgets\Filters\SBasicFilterBar\SFilter) > AddFilterToBar ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FFilterBase](API\Developer\ToolWidgets\Filters\FFilterBase)< FilterType >> & Filter )